JST Vol. 21 (1) Jan. 2013 - Pertanika Journal - Universiti Putra ...

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Ruhaizin Sulaiman, Zahari Taha and Siti Zawiah Md. Dawal Taha, Z., & Ruhaizin, S. (2008). Ergonomics Consideration in the Design of Products for the Elderly Population. Proceedings of the 9 th Asia Pacific Industrial Engineering & Management Systems Conference (APIEMS2008) (p. 309), Bali, Indonesia, December 3 rd – 5 th . Taha, Z., & Ruhaizin, S. (2010). Perceived Kitchen Environment among Malaysian Elderly. American Journal of Engineering and Applied Sciences 3(2), 270-276. Tilley, A. R. (2002). The Measure of Man and Woman: Human Factors in Design. New York: John Wiley & Sons, Inc. Wagner, D., Birt, J. A., Snyder, M., & Duncanson, J. P. (1996). Human Factors Design Guide: for acquisition of Commercial-Off-The-Shelf Subsystems, Non-developmental Items, and Developmental Systems. Final Report and Guide. FAA William J. Hughes Technical Center, USA. DOT/FAA/CT-96/1 Woodson, W. E., Tillman, B., & Tillman, P. (19920. Human Factors Design Handbook (2nd ed.) New York: McGraw-Hill, Inc. 28 Pertanika J. Sci. & Technol. 21 (1): 283 - 298 (2013)
ISSN: 0128-7680 © 2013 Universiti Putra Malaysia Press. Pertanika J. Sci. & Technol. 21 (1): 29 - 36 (2013) SCIENCE & TECHNOLOGY Journal homepage: http://www.pertanika.upm.edu.my/ Different Media Formulation on Biocellulose Production by Acetobacter xylinum (0416) Suryani Kamarudin 1,2 *, Mohd Sahaid, K. 1 , Mohd Sobri, T. 1 , Wan Mohtar, W. Y. 3 , Dayang Radiah, A. B. 2 and Norhasliza, H. 2 1 Department of Chemical and Process Engineering, Faculty of Engineering and Build Environment, University Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia 2 Department of Chemical and Environmental Engineering, Faculty of Engineering, University Putra Malaysia, 43400 Serdang, Selangor, Malaysia 3 Department of Bioscience and Biotechnology, Faculty of Science, University Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia ABSTRACT Biocellulose (BC), produced by Acetobacter xylinum (0416), was carried out using three types of medium composition under static surface culture. The media used in this experiment included CWHSM (Coconut water in Hestrin-Schramm medium), CM (Complex medium) and HSM (Hestrin-Schramm medium). CWHSM and CM used coconut water from agro-waste as the main source of sugar. The fermentation was conducted for 12 days and the results of BC dry weight, cell entrapped, pH medium and productivity were evaluated and compared. The results show that CWHSM is the most suitable medium for BC production with a productivity of up to 0.044 g l -1 day -1 . Keywords: Acetobacter xylinum, agro-waste, biocellulose, coconut water, production medium Article history: Received: 1 February 2011 Accepted: 4 October 2011 E-mail addresses: suryani@eng.upm.edu.my (Suryani Kamarudin), sahaid@eng.ukm.my (Mohd Sahaid, K.), sobri@vlsi.eng.ukm.my (Mohd Sobri, T.), wantar@pkrisc.cc.ukm.my (Wan Mohtar, W. Y.), dayang@eng.upm.edu.my (Dayang Radiah, A. B.), snowiequeen809@yahoo.com (Norhasliza, H.) *Corresponding Author INTRODUCTION It is known that some Acetobacter strains produce cellulose. This cellulose is called bacterial cellulose (BC) (Ross et al., 1991). BC is a chemically pure form of cellulose and it is free from hemicellulose, pectin, and lignin, which are associated with plant cellulose and are difficult to eliminate (Bielecki et al., 2002; Jung et al., 2005). In addition, BC is extremely pure and it exhibits a high degree of polymerisation and crystallinity. BC has many applications
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TABLE 1: Size of mussels in average
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Assessment of Heavy Metal Pollution
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TABLE 5: Heavy metal concentrations
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Physico-Chemical and Electrical Pro
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TABLE 1: (continued) Physico-Chemic
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Norhashila Hashim et al. effectiven
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Statistical Analysis Norhashila Has
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Norhashila Hashim et al. Post-hoc a
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Norhashila Hashim et al. Cubero, S.
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S. Ismail and K. A. Mohd Atan 4 4 p
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Lemma 1.1 The equation S. Ismail an
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CONCLUSION S. Ismail and K. A. Mohd
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INTRODUCTION Tajau, R. et al. A hig
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Tajau, R. et al. the acrylate’s c
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Tajau, R. et al. double bond) and C
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Tajau, R. et al. Ulanski, P., & Ros
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Aji, I. S., Zinudin, E. S., Khairul
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Aji, I. S., Zinudin, E. S., Khairul
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CONCLUSION Aji, I. S., Zinudin, E.
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D. Bachtiar, S. M. Sapuan, E. S. Za
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TABLE 1: (continue) 4 D. Bachtiar,
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N. Maizatul, I. Norazowa, W. M. Z.
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REFERENCES N. Maizatul, I. Norazowa
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CBIR Using Colour and Shape Fused F
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Toward Automatic Semantic Annotatin
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Issues on Trust Management in Wirel
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Trust Value MF-ID 1 0.8 0.6 0.4 0.2
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A Negation Query Engine for Complex
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REFERENCES A Negation Query Engine
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The Problem Association Rule Mining
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Association Rule Mining threshold t
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Association Rule Mining must be sor
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Association Rule Mining On the othe
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Association Rule Mining Quinlan, J.
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Che Mustapha Yusuf, J., Mohd Su’u
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Az Azrinudin Alidin and Fabio Crest
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Yogan Jaya Kumar, Naomie Salim, Ahm
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REFERENCES Yogan Jaya Kumar, Naomie
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Hasiah Mohamed@Omar, Azizah Jaafar
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The Role of Similarity Measurement
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TABLE 5: Winners MRS The Role of Si
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REFEREES FOR THE PERTANIKA JOURNAL
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Guidelines for Authors Publication
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table should be prepared on a separ
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The Journal’s review process What
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Usability of Educational Computer G
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JST Vol. 21 (1) Jan. 2013 - Pertanika Journal - Universiti Putra ...

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